Okwu Mmalite gbasara ikike PVC na China na ụwa niile

Dịka ọnụọgụgụ ndị mmadụ si kwuo na afọ 2020, ikike mmepụta PVC zuru ụwa ọnụ ruru tọn nde iri isii na abụọ, mmepụta niile ruru tọn nde iri ise na anọ. Mbelata niile na mmepụta pụtara na ikike mmepụta anaghị arụ ọrụ 100%. N'ihi ọdachi ndị sitere n'okike, amụma obodo na ihe ndị ọzọ, mmepụta ga-adị obere karịa ikike mmepụta. N'ihi oke ọnụ ahịa mmepụta PVC na Europe na Japan, ikike mmepụta PVC zuru ụwa ọnụ dị na Northeast Asia, nke China nwere ihe dị ka ọkara nke ikike mmepụta PVC zuru ụwa ọnụ.

Dịka data ikuku si kwuo, na 2020, China, United States na Japan bụ ebe mmepụta PVC dị mkpa n'ụwa, ikike mmepụta na-eru pasent 42, pasent 12 na pasent 4 n'otu n'otu. Na 2020, ụlọ ọrụ atọ kachasị elu na ikike mmepụta PVC kwa afọ n'ụwa niile bụ Westlake, shintech na FPC. Na 2020, ikike mmepụta PVC kwa afọ bụ tọn nde 3.44, tọn nde 3.24 na tọn nde 3.299 n'otu n'otu. Nke abụọ, ụlọ ọrụ ndị nwere ikike mmepụta ihe karịrị tọn nde 2 gụnyekwara inovyn. Ike mmepụta zuru oke nke China bụ tọn nde 25 ọzọ, yana mmepụta nke tọn nde 21 na 2020. E nwere ihe karịrị ndị na-emepụta PVC 70 na China, pasent 80 nke bụ usoro calcium carbide na pasent 20 bụ usoro ethylene.

Ọtụtụ n'ime usoro calcium carbide dị n'ebe ndị bara ọgaranya na akụrụngwa coal dịka Inner Mongolia na Xinjiang. Ebe a na-emepụta ethylene dị n'akụkụ osimiri n'ihi na a chọrọ ka e bubata ihe eji emepụta VCM ma ọ bụ ethylene. Ike mmepụta nke China ruru ihe fọrọ nke nta ka ọ bụrụ ọkara nke ụwa, yana mmụba na-aga n'ihu nke usoro ụlọ ọrụ mmepụta ihe nke China, ikike mmepụta PVC nke usoro ethylene ga-anọgide na-abawanye, China ga-anọgidekwa na-emebi òkè PVC mba ụwa.